Version 5.2 (22 Jan 2010 released)

  • added rotate image at specific angle.
  • added get the type of compression of TIFF file.
  • added Export specific pages from multipage TIFF without decoding the TIFF. 
  • updated TIFMergeMultiFiles method that allow custom delimit substrings.
  • fixed the refresh desktop issue when call Zoom to Width, Zoom to Height.
  • updated OCR engine, the recognizing time will faster than old version 3 times when use OCRStartScan,OCR2SearchableMultipagePDF, OCR2SearchablePDF methods.
  • fixed have not clear PDF Annotation issue. now add PDF Annotation and save to PDF file, then it will clear PDF Annotation.
  • updated BarCode Reader engine, improved the recognizing quality.
  • added RotateAt, TIFExportPages, TIFGetCompressionInfo methods.


    • Version 5.0 (23 Aug 2009 released)

  • added support PDF annotation when save to PDF/A file.
  •  added zoom method, it allow set x-axis scale factor and y-axis scale factor.
  •  added PDFLoadFromByteArray method, it allow load the PDF from Byte Array.
  •  added PDFAddFont, PDFAddImageFromFile, PDFDrawFillRectangle, PDFDrawImage, PDFDrawText, PDFDrawTextAlign, PDFEmbedFont, PDFInitAnnotation, PDFSetTextColor methods.
  •  fixed OCR2SearchableMultipagePDF method crash issue when input PDF file.

    • Version 4.5 (26 June 2009 released)

  • added support MNG, JNG, Raw image (cr2, nef , crw, mrw, raf, erf, 3fr, dcr, raw, dng, pef,  x3f, arw, sr2, mef, prf) image format
  •  added allow rotate multipage TIFF or PDF or rotate specific page no.
  •  added allow adjust the DPI when loading PDF file. It may improved the PDF quality when convert PDF to PDF file.
  •  added PDFRenderDPIX, PDFRenderDPIY properties.
  •  added ClearRotateMultiPageOnly, RotateMultiPage,  RotateMultiPageOnly methods.

    • Version 4.0 (15 March 2009 released)

  • added barcode reader plug-in module.
  • improved render pdf file and save to pdf quality.
  • added Median filter for remove noise.
  • added allow save to 1 bit, 4bit, 8bit, 24 bit TIFF with LZW compression.
  • added when call CovertTo1bpp, CovertTo4bpp, CovertTo8bpp, CovertTo8bppGrayScale, CovertTo16bppRGB555, CovertTo16bppRGB565, CovertTo24bpp, CovertTo32bpp, CovertTo32bppARGB methods, it will affect the file size when output TIFF or PDF file.
  • added draw overlay text or image can draw on specific page only.
  • updated Blur effect.
  • added BarCodeGetScore, BarCodeGetType, BarCodeGetValue, BarCodeReadByZone, BarCodeReadFullPage, ClearDrawPageOnly, DrawPageOnly, Median methods.
  • updated Blur methods.
    Version 3.6
  • added support securing a PDF document using 40 bit, 128 bit RC4 encryption and owner, user password.
  • added support adjust standard PDF permissions.
  • added PDFSetEncryption128bit, PDFSetEncryption40bit, PDFSetPassword methods.
    Version 3.5
  • added allow change color resolution.
  • added CovertTo1bpp, CovertTo4bpp, CovertTo8bpp, CovertTo8bppGrayScale, CovertTo16bppRGB555, CovertTo16bppRGB565, CovertTo24bpp, CovertTo32bpp, CovertTo32bppARGB methods.
  • added allow center the image. Set the view property to 12, it will center the image.
  • added TIFMergeMultiFiles method.
  • added allow output searchable PDF/a file when use OCR Plug-In Module.
  • added OCR2SearchableMultipagePDF, OCR2SearchablePDF methods with OCR Plug-In Module.
    Version 3.0
  • improved PDF display engine, support PDF 1.4, 1.5, 1.6 or later.
  • added loading PDF file with password protection.
  • added return the PDF information when loading PDF file. PDFAuthor,PDFCreatedDate,PDFUserPassword,PDFOwnerPassword,PDFIsEncrypted, PDFModifiedDate, PDFProducer, PDFTitle, PDFVersion properties.
  • added PDFExtractText method. It can extract text from PDF file.
  • added PDFOutputPDFA property.
  • fixed the outputed PDF/A file ,can't open with adode reader issue.
    Version 2.5
  • added OCR plug-in module.
  • fixed when filename="" unlock issue.
    Version 2.1
  • improved Image2PDF method conversion speed. Now it will faster than old version.
  • fixed when loading some TIFF crash issue.
    Version 2.0
  • added Support Import/ Export Wang Annotation tags to text file.
  • improved output GIF quality and allow set transparent color.
  • added LoadFromByteArray, DrawSelectionRect methods.
  • added allow set color mode , print size, print copies, print orientation, print quality programatically when called PrintImage2Printer.